<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>选择器权重</title>
		<!-- 选择器权重越高，选中几率越大 -->
		<style>
			*{   /*权值 0  很容易被覆盖*/
			     color:#ffaa00;
				 background:#55ffff;
			}
			div{ /*权重 1 */
			color:#00ff00;
			background:#ff557f;
			}
			.d1{ /*权值 10*/
			    color: #ff0000;
				background:#aaff00;
			}
			div.d1{
				color:#55ff00;
				background:#ff0000;
			}
			body div.d1{ /*权值 12*/
			    font-size: 25px;
				color:#000000;
				background: #ff0000;
			}
		    #d1{  /*权值 100*/
			    font-size: 15px;
				color: #aaaaff;
				background: #aaff00;
			}
			div#d1{  /*权值 100*/
			    font-size: 20px;
				color: #51ff21;
				background: #ff20bc;
			}
			div#d1:hover{ /*权值 111*/
			    color: #aaaaff;
				background: #aaff00;
			}
		</style>
	</head>
	<body>
		<div class="d1" id="d1" style="color:red;">Lorem ipsum dolor sit amet consectetur adipisicing elit. Ex facere minus odio animi modi quisquam, saepe et tempore autem dolorem in consectetur recusandae voluptatem impedit laboriosam aut pariatur dignissimos quas.</div>
	</body>
</html>